DE3681997D1 - Geraet zur absoluten linearlageerkennung. - Google Patents

Geraet zur absoluten linearlageerkennung.

Info

Publication number
DE3681997D1
DE3681997D1 DE8686110717T DE3681997T DE3681997D1 DE 3681997 D1 DE3681997 D1 DE 3681997D1 DE 8686110717 T DE8686110717 T DE 8686110717T DE 3681997 T DE3681997 T DE 3681997T DE 3681997 D1 DE3681997 D1 DE 3681997D1
Authority
DE
Germany
Prior art keywords
linear detection
absolutely linear
absolutely
detection
linear
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE8686110717T
Other languages
English (en)
Inventor
Ichikawa Wataru
Matsuki Yuji
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SG KK
Original Assignee
SG KK
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SG KK filed Critical SG KK
Application granted granted Critical
Publication of DE3681997D1 publication Critical patent/DE3681997D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/20—Other details, e.g. assembly with regulating devices
    • F15B15/28—Means for indicating the position, e.g. end of stroke
    • F15B15/2815—Position sensing, i.e. means for continuous measurement of position, e.g. LVDT
    • F15B15/2861—Position sensing, i.e. means for continuous measurement of position, e.g. LVDT using magnetic means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/20—Other details, e.g. assembly with regulating devices
    • F15B15/28—Means for indicating the position, e.g. end of stroke
    • F15B15/2815—Position sensing, i.e. means for continuous measurement of position, e.g. LVDT
    • F15B15/2846—Position sensing, i.e. means for continuous measurement of position, e.g. LVDT using detection of markings, e.g. markings on the piston rod
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters
    • H03M1/22—Analogue/digital converters pattern-reading type
    • H03M1/24—Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip
    • H03M1/28—Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip with non-weighted coding
    • H03M1/287—Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip with non-weighted coding using gradually changing slit width or pitch within one track; using plural tracks having slightly different pitches, e.g. of the Vernier or nonius type

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
DE8686110717T 1985-08-09 1986-08-02 Geraet zur absoluten linearlageerkennung. Expired - Fee Related DE3681997D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60175145A JP2554465B2 (ja) 1985-08-09 1985-08-09 アブソリユ−ト位置検出装置

Publications (1)

Publication Number Publication Date
DE3681997D1 true DE3681997D1 (de) 1991-11-21

Family

ID=15991067

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686110717T Expired - Fee Related DE3681997D1 (de) 1985-08-09 1986-08-02 Geraet zur absoluten linearlageerkennung.

Country Status (4)

Country Link
US (2) US4879555A (de)
EP (1) EP0212406B1 (de)
JP (1) JP2554465B2 (de)
DE (1) DE3681997D1 (de)

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JPH0264407A (ja) * 1988-08-31 1990-03-05 Fanuc Ltd 磁気式絶対位置エンコーダ
DE3900866C2 (de) * 1989-01-13 2001-11-22 Heimeier Gmbh Metall Theodor Anordnung zur Steuerung eines Heiz- oder Kühlmediums
EP0388584B1 (de) * 1989-01-17 1993-10-27 Gec Alsthom Sa Vorrichtung zur Ermittlung der Lage einer mit einem elektrisch diskontinuierlich leitenden Band umgebenen rotierenden Stahlwelle sowie Verfahren zur Herstellung des Bandes
US5457368A (en) * 1993-03-09 1995-10-10 University Of Utah Research Foundation Mechanical/electrical displacement transducer
US5497083A (en) * 1992-12-24 1996-03-05 Kayaba Kogyo Kabushiki Kaisha Rod axial position detector including a first scale having equidistant magnetic parts and a second scale having unequally distant parts and differing field strengths
US5461311A (en) * 1992-12-24 1995-10-24 Kayaba Kogyo Kabushiki Kaisha Rod axial position detector including plural scales wherein nonmagnetized portions have differing spacing and differing depths and means for calculating the absolute position are provided
US5691646A (en) * 1994-12-07 1997-11-25 Mitutoya Corporation Capacitance-type displacement measuring device with electrodes having spiral patterns
EP0743508A2 (de) * 1995-05-16 1996-11-20 Mitutoyo Corporation Positionssensor unter Anwendung des Strominduktionsprinzips
US5748111A (en) * 1996-03-29 1998-05-05 Caterpillar Inc. Apparatus for monitoring the speed and axial position of a rotating member
JP2960013B2 (ja) * 1996-07-29 1999-10-06 慧 清野 移動物体の検出用目盛及びこれを用いた移動物体の検出装置
US5936400A (en) * 1996-12-23 1999-08-10 Federal Products Co. Magnetoresistive displacement sensor and variable resistor using a moving domain wall
US5886519A (en) * 1997-01-29 1999-03-23 Mitutoyo Corporation Multi-scale induced current absolute position transducer
JPH11160009A (ja) * 1997-10-31 1999-06-18 Samsung Heavy Ind Co Ltd ストロークセンシングシリンダの絶対位置検出方法
US6147342A (en) * 1998-06-02 2000-11-14 Caterpillar Inc. Encoding system for determining the position of a cylinder rod along a path of movement
US6327791B1 (en) 1999-06-09 2001-12-11 The Government Of The United States As Represented By The Secretary Of Commerce Chain code position detector
US6335618B1 (en) * 1999-10-05 2002-01-01 Mitutoyo Corporation Position transducer having position-dependent amplitude encoding applying first and second modulations
CA2332712C (en) * 2001-01-29 2006-07-11 Vtech Communications, Ltd. Two-axis cursor control apparatus
JP2002243402A (ja) * 2001-02-22 2002-08-28 Juki Corp 直動軸の位置検出構造及び電子部品搭載用ヘッド
JP4088073B2 (ja) * 2002-01-11 2008-05-21 株式会社ミツトヨ 絶対位置測定装置
US20040176683A1 (en) * 2003-03-07 2004-09-09 Katherine Whitin Method and apparatus for tracking insertion depth
US8882657B2 (en) 2003-03-07 2014-11-11 Intuitive Surgical Operations, Inc. Instrument having radio frequency identification systems and methods for use
JP4247822B2 (ja) * 2003-04-22 2009-04-02 株式会社アミテック シリンダ位置検出装置
US6989669B2 (en) 2003-05-06 2006-01-24 Sri International Systems and methods of recording piston rod position information in a magnetic layer on a piston rod
KR20060052774A (ko) * 2003-07-01 2006-05-19 티악스 엘엘씨 용량성 위치 센서 및 감지 방법
EP1709649A2 (de) * 2003-12-30 2006-10-11 NCTEngineering GmbH Verfahren und array zur einstellung der magnetisierung eines magnetisierbaren objekts
JP4419692B2 (ja) * 2004-06-07 2010-02-24 株式会社ジェイテクト 角度検出装置
KR101253361B1 (ko) * 2004-07-14 2013-04-11 테네코 오토모티브 오퍼레이팅 컴파니 인코포레이티드 완충기, 차량의 변위 감지 방법 및 차량용 변위 센서
US7191943B2 (en) * 2004-07-28 2007-03-20 Caterpillar Inc Robust barcode and reader for rod position determination
US7530948B2 (en) 2005-02-28 2009-05-12 University Of Washington Tethered capsule endoscope for Barrett's Esophagus screening
US7259553B2 (en) 2005-04-13 2007-08-21 Sri International System and method of magnetically sensing position of a moving component
GB0513000D0 (en) * 2005-06-24 2005-08-03 Rolls Royce Plc A method and probe for determining displacement
JP4950713B2 (ja) * 2007-03-20 2012-06-13 オークマ株式会社 アブソリュートエンコーダ
US20090102467A1 (en) * 2007-10-22 2009-04-23 Johnson Controls Inc. Method and apparatus for sensing shaft rotation
CN101918722A (zh) * 2007-10-22 2010-12-15 A.M.A.有限公司 用于确定流体动力执行器的活塞沿其行程路径的行进位置的系统
GB0903961D0 (en) * 2009-01-27 2009-04-22 Renishaw Plc Magnetic encoder scale
JP5421646B2 (ja) * 2009-04-23 2014-02-19 カヤバ工業株式会社 シリンダのストロークセンサ
US8970208B2 (en) 2010-02-11 2015-03-03 Sri International Displacement measurement system and method using magnetic encodings
FR2958393B1 (fr) * 2010-04-01 2012-11-30 Peugeot Citroen Automobiles Sa Dispositif de mesure et demarreur comprenant un tel dispositif
DE102010019077A1 (de) 2010-04-30 2011-11-03 Continental Automotive Gmbh Magnetisches Längenmesssystem, Längenmessverfahren sowie Herstellungsverfahren eines magnetischen Längenmesssystems
US9222804B2 (en) * 2011-09-02 2015-12-29 Persimmon Technologies Corporation System and method for position sensing
GB201311856D0 (en) * 2013-07-02 2013-08-14 Gill Res And Dev Ltd A position indicator device
JP6365824B2 (ja) * 2014-05-27 2018-08-01 村田機械株式会社 磁気式変位センサ及び変位の検出方法
US9267819B2 (en) 2014-06-12 2016-02-23 Mitutoyo Corporation Absolute position encoder scale having plates alternating with varying recesses
US20160054149A1 (en) * 2014-08-20 2016-02-25 Zedi Canada Inc. System and method for tracking linear position and rotation of a piston
US9435663B2 (en) 2014-08-22 2016-09-06 Mitutoyo Corporation Absolute position encoder scale having layers in a stacked configuration
EP3234230B1 (de) * 2014-12-19 2019-04-17 Weber-Hydraulik GmbH Verfahren zum optischen beschriften und/oder markieren von rundmaterial
FR3031589B1 (fr) 2015-01-13 2018-11-16 Hutchinson Capteurs inductifs de deplacement
FR3031586B1 (fr) 2015-01-13 2017-02-10 Dymeo Capteurs inductifs de deplacement
FR3031587B1 (fr) 2015-01-13 2018-11-16 Hutchinson Capteurs inductifs de deplacement
FR3031588B1 (fr) 2015-01-13 2018-11-16 Hutchinson Capteurs inductifs de deplacement
US10393767B2 (en) * 2015-03-18 2019-08-27 Exxonmobil Upstream Research Company Single sensor systems and methods for detection of reverse rotation
US9683869B1 (en) 2015-12-11 2017-06-20 Mitutoyo Corporation Electronic absolute position encoder
WO2017155788A1 (en) * 2016-03-08 2017-09-14 Weatherford Technology Holdings, Llc Position sensing for wellsite pumping unit
US10577078B2 (en) * 2017-04-24 2020-03-03 General Electric Company Systems and methods for electronic measurement of propeller blade angle
EP3410075B1 (de) * 2017-05-30 2020-10-07 MEAS France Temperaturkompensation für magnetfeldmessvorrichtungen und magnetfeldmessvorrichtung damit
DE102021127161A1 (de) 2021-10-20 2022-12-15 Schaeffler Technologies AG & Co. KG Scheibenläufermotor und Verfahren zur Montage eines Scheibenläufermotors

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US2905874A (en) * 1958-10-30 1959-09-22 Gen Electric Position control system and device
US3171104A (en) * 1959-10-13 1965-02-23 Sperry Rand Corp Variable reluctance binary data transducer
US3286252A (en) * 1963-11-15 1966-11-15 Gen Precision Inc Capacity encoder
DE1274363B (de) * 1965-01-14 1968-08-01 Zeiss Carl Fa Einrichtung zum absolut-digitalen Messen
US3505576A (en) * 1966-07-12 1970-04-07 Litton Business Systems Inc Digital servomechanism including an inductive position encoder
US3534361A (en) * 1967-01-11 1970-10-13 Itek Corp Photo-optical analog to digital converter
US3641467A (en) * 1969-05-13 1972-02-08 Allis Chalmers Mfg Co Rotary inductor
DE2945895C2 (de) * 1979-11-14 1986-06-05 Festo-Maschinenfabrik Gottlieb Stoll, 7300 Esslingen Magnetischer Stellungsgeber für hydrauliche oder pneumatische Arbeitszylinder
JPS57135917U (de) * 1981-02-20 1982-08-25
GB2096421A (en) * 1981-04-07 1982-10-13 Secretary Industry Brit Position transducer for fluid actuated ram
JPS58106691A (ja) * 1981-12-21 1983-06-25 株式会社エスジ− アブソリュート位置検出装置
JPS5923609U (ja) * 1982-08-04 1984-02-14 株式会社エスジ− シリンダ位置検出装置
JPS5923610U (ja) * 1982-08-06 1984-02-14 株式会社エスジ− シリンダ位置検出装置
JPS59164406A (ja) * 1983-03-03 1984-09-17 Taiyo Tekko Kk ストローク位置検出用ピストンロッドの製造方法
US4717874A (en) * 1984-02-10 1988-01-05 Kabushiki Kaisha Sg Reluctance type linear position detection device
JPS61281902A (ja) * 1985-06-07 1986-12-12 Toshiba Mach Co Ltd 絶対位置検出装置

Also Published As

Publication number Publication date
JP2554465B2 (ja) 1996-11-13
EP0212406A3 (en) 1989-04-19
US4951048A (en) 1990-08-21
US4879555A (en) 1989-11-07
EP0212406A2 (de) 1987-03-04
JPS6235202A (ja) 1987-02-16
EP0212406B1 (de) 1991-10-16

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee